EP3390250B1 - Rouleau de roulement, mécanisme à rouleau de roulement, chaîne à maillons et utilisation d'une chaîne à maillons comme chaîne de transport - Google Patents

Rouleau de roulement, mécanisme à rouleau de roulement, chaîne à maillons et utilisation d'une chaîne à maillons comme chaîne de transport Download PDF

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Publication number
EP3390250B1
EP3390250B1 EP16823228.8A EP16823228A EP3390250B1 EP 3390250 B1 EP3390250 B1 EP 3390250B1 EP 16823228 A EP16823228 A EP 16823228A EP 3390250 B1 EP3390250 B1 EP 3390250B1
Authority
EP
European Patent Office
Prior art keywords
roller
attachment
bolt
bush
chain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16823228.8A
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German (de)
English (en)
Other versions
EP3390250A2 (fr
Inventor
Frank PADBERG
Christian HANEMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ketten Wulf Betriebs GmbH
Original Assignee
Ketten Wulf Betriebs GmbH
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Filing date
Publication date
Application filed by Ketten Wulf Betriebs GmbH filed Critical Ketten Wulf Betriebs GmbH
Publication of EP3390250A2 publication Critical patent/EP3390250A2/fr
Application granted granted Critical
Publication of EP3390250B1 publication Critical patent/EP3390250B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10—Arrangements of rollers
    • B65G39/20—Arrangements of rollers attached to moving belts or chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F16C13/022—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race

Definitions

  • the present invention relates to a roller device according to the preamble of claim 1 and an articulated chain according to the preamble of claim 9 and a use of an articulated chain according to claim 11.
  • a roller is well known from the prior art. It is used, for example, in connection with articulated chains when these are used as conveyor chains.
  • the DE 10 2007 053 185 A1 discloses a roller that is designed as a roller unit and has at least one socket, a bearing and a roller.
  • a link chain comprises a number of chain links, in particular a number of inner links and outer links, which are connected to one another in an articulated manner, ie by means of a chain link. These joints allow the joint chain to loop around the sprockets in the drive train, for example.
  • the inner links are preferably formed from two inner plates which are connected to one another by means of two bushings.
  • An inner link in the form of a block link is also conceivable.
  • the outer links are preferably formed from two outer plates which are connected to one another by means of two bolts.
  • a bolt is accommodated in the socket in an articulated manner. Pin and bush form the chain joint. This arrangement can be repeated as desired, so that an articulated chain of any length can be produced.
  • the number of straps per chain link is also variable, so that per chain link Of course, more than two tabs can also be provided.
  • link chains are often used as conveyor chains.
  • rollers are usually attached to extended pins or bushings of the articulated chain. Attachment to the link plates or other components of the articulated chain is also conceivable.
  • the main purpose of the rollers is to enable the articulated chain to run on a guide rail, via which the loads of the material to be conveyed can be discharged.
  • the chain pull force is also reduced by the rollers, since the pull force is reduced as a result of less friction or rolling friction.
  • some chain links are equipped with connection means for attachments, for example.
  • the connecting means can be designed, for example, as angled brackets which, in addition to the actual bracket, have a bracket with which the add-on parts can be connected. In cross section, for example, an L-shaped tab results.
  • the articulated chains used as conveyor chains are exposed to the conveyed goods themselves and the influences of the environment and surroundings. Dirt and other substances and liquids can penetrate parts of the articulated chain, in particular the rollers, and contribute to faster and increased wear there.
  • Such a combination of articulated chain and roller is for example from DE 10 2006 057461 A1 known.
  • rollers fail or reach their wear limit, it may be necessary to replace them.
  • roller or its bearings are arranged directly on the extended bolt or a shaft element, the dismantling of the roller is associated with a great deal of effort.
  • several components including components joined by means of press fits, for example, must be dismantled one after the other. But the assembly is also complex.
  • a roller device is from KR 2014 0007056 A known.
  • This roller device comprises an attachment bolt and a roller mounted on the attachment bolt, the roller being designed as a roller unit which has at least one attachment bush, a bearing and a roller.
  • the roller device comprises a fastening system for fastening, preferably for detachable fastening, in particular for detachable axial fixing, of the roller unit, in particular of the socket, on the mounting bolt.
  • This roller device has the disadvantage that the assembly or disassembly is relatively expensive due to the design of the fastening system.
  • the clip attachment system includes a groove in the inner surface of the socket, a groove in the surface of the socket pin, and a flexible retaining ring.
  • the EP 1 834 906 A2 discloses a roller assembly according to the preamble of claim 1 and an articulated chain comprising said roller assembly, the articulated chain being used as a conveyor chain.
  • the object of the present invention is to provide a roller device of the type mentioned at the outset, in which assembly and/or disassembly is simplified. According to the invention, this object is achieved by a roller device with the characterizing features of claim 1. According to the invention, it is proposed that the clip fastening system be equipped with a release device, the groove in the mounting bolt being formed by the mounting bolt itself and a plate which is releasably fastened in front of the end face of the mounting bolt.
  • the retaining ring initially recedes until the grooves are aligned, in order to then be accommodated in both grooves and counteract the roller unit being pulled off. This assembly can be done easily and without tools.
  • the roller is designed as a roller unit, comprising at least one socket, a bearing and a roller
  • the aforementioned unit can be assembled and disassembled as a whole.
  • the bearing does not have to be dismantled as a single part, but can be removed from the mounting pin together with the roller and the mounting bush.
  • the roller including the bearing and preferably the seal, is mounted on the socket. through the The assembly and disassembly effort can be reduced by using this socket, which can be plugged onto the socket bolt or a shaft element.
  • the roll and all the components needed to store and preferably seal the roll are mounted on the socket. This assembly is then referred to as a roller assembly.
  • the clip fastening system is equipped with a release device, the groove in the mounting bolt being formed by the mounting bolt itself and a plate screwed on in front of the end face of the mounting bolt.
  • This provides a detachable clip fastening system that is simple and robust in design and can also be easily detached on site.
  • the plate can be unscrewed on site after removing the roller cover and the socket cover, which opens the groove on one side and allows the roller assembly to be pulled off the socket pin.
  • the slip-on socket can then also be removed from the slip-on bolt and thus the entire roller unit can be removed from the slip-on bolt.
  • the assembly takes place as usual, when the plate is first screwed on again and the roller unit is pushed on.
  • the roller unit can be replaced or, for example, refilled with lubricant and the roller cover can be closed again.
  • the roller unit can be attached again by simply slipping it onto the mounting bolt.
  • the bearing is releasably axially fixed between the roller and the socket, the releasable axial fixation in particular having a shoulder in the interior of the roller and a corresponding shoulder on the outer surface of the socket and at least one retaining ring includes, which is inserted into a groove in the role and / or the socket.
  • the roller is equipped with a lubricant receiving arrangement.
  • the lubricant receiving arrangement makes it possible to provide the compact roller unit already filled with lubricant, i.e. the lubricant does not have to be filled in on site, for example in the polluted environment of a conveyor chain, but is already present in the roller unit.
  • the lubricant receiving arrangement comprises a lubricant receiving space.
  • the lubricant receiving space is essentially provided by the space between the roller and the socket. It serves as a reservoir for the lubricant.
  • the lubricant receiving arrangement comprises at least one sealing arrangement, in particular at least one mechanical seal.
  • the sealing arrangement can seal off the lubricant receiving space.
  • a mechanical seal or a combination of a mechanical seal with another contacting or non-contacting seal has proven to be reliable in applications with heavy contamination.
  • the mechanical seal is ideal for sealing the lubricant receiving space, especially when the mechanical rings move relative to one another, but is very sensitive to dirt during assembly. By pre-assembling the complete roller unit, assembly can be carried out in a clean place. Thus, contamination with dirt is reduced to a minimum.
  • the lubricant receiving arrangement comprises a roller cover that is detachably connected to the roller and/or a socket cover that is detachably connected to the socket.
  • the lubricant receiving space is ultimately provided by the space between the roller and socket and closed by the components mentioned above, in particular the hollow-cylindrical roller by the roller cover and the hollow-cylindrical socket by the socket cover.
  • the roller cover and socket cover components can be removed afterwards to make the lubricant receiving space accessible.
  • this allows the lubricant receiving space to be made accessible, for example in order to refill or replace lubricant.
  • components such as the face of the mounting bolt can be made accessible and the clip connection means can be released.
  • the slip-on pin can be attached to many different components, such as link chain links, attachments such as conveyor belt platforms, or more generally where rollers are required.
  • the roller device is equipped with an anti-rotation device between the socket and the mounting pin, the anti-rotation device in particular comprising a bulge in the interior of the mounting socket and a corresponding indentation in the mounting pin.
  • the anti-twist device secures the socket against twisting. Ultimately, it is ensured that the rotation of the roller is carried out via the bearing and, for example, there is no rotation of the socket on the socket pin.
  • the roller device is equipped with a stop device for limiting the axial displacement of the socket relative to the socket bolt, the stop device in particular comprising a shoulder on the socket bolt and a corresponding shoulder on the socket.
  • a further object of the present invention is to provide an articulated chain with a roller device, in which the assembly and/or disassembly of the roller is simplified.
  • this object is achieved by the characterizing features of claim 9. Because the articulated chain is equipped with a roller device according to one of Claims 1 to 8 is equipped, the above-described advantages of the roller device for the articulated chain can be utilized.
  • the articulated chain comprises at least two chain links, in particular an inner link and an outer link, with the inner link being designed as a block plate with two bushes or comprising at least two inner plates which are connected to one another by two bushes, wherein the outer link comprises at least two outer link plates which are connected to one another with two bolts, with a bush and a bolt inserted into the bush of adjacent chain links forming a chain joint, the push-on bolt being designed as an extension of the bolt which protrudes from the outer link plate, wherein the roller unit is attached to the mounting bolt.
  • the slip-on pin serves essentially to connect the roller unit to the articulated chain and preferably protrudes perpendicularly from the outer plate.
  • the extension of the bolt can be used accordingly as an attachment bolt.
  • a preferred use of the aforementioned articulated chain is the so-called conveyor chain.
  • the articulated chain can be equipped not only with rollers but also with connection means for attaching add-on parts, such as platforms.
  • a conveyor chain according to the invention essentially comprises an articulated chain according to the invention and at least one roller device according to the invention and in particular at least one connection means for add-on parts, such as platforms.
  • a caster that in Figures 1 to 3 is shown and is not an object of the invention, is designed as a roller unit L, comprising essentially a socket 3, a bearing 2, in particular a pivot bearing, and a roller 1.
  • the socket 3, the bearing 2 and the roller 1 are detachable connected to each other, wherein the roller 1 is rotatably mounted about the socket 3 via the bearing 2.
  • the plug-on socket 3 is designed essentially in the form of a hollow cylinder and correspondingly has an outer surface and an interior space with an inner surface.
  • the socket 3 predominantly has a circular-cylindrical cross-section.
  • Metal, in particular steel, is preferably considered as the material for the plug-on socket, but other materials such as high-strength plastics, non-ferrous metals, etc. are also possible.
  • the socket 3 can be provided with a groove 37 in the longitudinal direction on its inside, which can serve as a vent when mounting on a socket pin 4.
  • the roller 1 is preferably a conventional roller, for example made of metal, in particular steel, plastic, non-ferrous metal or another suitable material.
  • the roller 1 is essentially designed as a hollow-cylindrical body.
  • the bearing 2 arranged between the roller 1 and the socket 3, in particular a rotary bearing, is preferably a roller bearing, in particular a ball bearing.
  • the bearing 2 is preferably detachably fixed axially between the roller 1 and the socket 3 .
  • the roller 1 can have a corresponding shoulder 14 in its interior and the socket 3 can also have a corresponding shoulder 33 on its outer surface.
  • the bearing 2 is then inserted between the roller 1 and the socket 3 until it rests against both paragraphs 14, 33.
  • the inserted bearing 2 in turn can be secured by at least one retaining ring 5, which in a groove 13 in the Role 1 and / or in a groove 36 of the socket 3 is used.
  • the retaining rings 5 can also be removed again for revision of the bearing 2.
  • form-fitting, detachable connections are used here.
  • other connection mechanisms such as non-positive connections, are also conceivable.
  • the roller unit L represents a compact unit which can be fitted as a whole with the socket 3 onto a suitable mounting bolt 4 or can also preferably be removed from the mounting bolt 4 as a whole.
  • roller unit L can be equipped with a lubricant receiving arrangement, which preferably enables filling even before the roller unit is mounted on an attachment bolt 4 .
  • the lubricant receiving arrangement can essentially comprise a lubricant receiving space R as well as a sealing arrangement, a roller cover 12 that is detachably connected to the roller 1 and/or a socket cover 31 that is detachably connected to the socket 3 .
  • the sealing arrangement can include a mechanical seal 6 or a combination of this mechanical seal with another contacting (or non-contacting) seal. Furthermore, the sealing arrangement can comprise a housing 7 .
  • a mechanical seal 6 typically comprises a first sealing ring 61 and a second sealing ring 62.
  • the first sealing ring 61 is preferably accommodated between the roller 1 and the socket 3.
  • an annular recess 15 can be provided in the roller 1, for example.
  • the second Sealing ring 62 can be accommodated, for example, in housing 7 , which is formed, for example, by a ring with an L-shaped cross section and a section of socket 3 .
  • the ring can, for example, be screwed on, pressed on or attached to the socket 3 in some other way.
  • the housing 7 can also be formed in one piece from the plug-on socket 3 . It is preferably provided that the sealing arrangement, in particular the mechanical seal 6, is preferably attached directly to the socket 3. The sealing arrangement, in particular the mechanical seal 6, must therefore no longer be arranged directly on a mounting bolt 4, but can be arranged on the mounting socket 3. The sealing arrangement helps to close the lubricant receiving space R, in particular the hollow-cylindrical roller 1.
  • the roller cover 12 is preferably arranged on the other side of the roller 1, ie on the side of the roller unit L opposite the sealing arrangement.
  • the roller cover 12 is preferably detachably attached to the roller 1 or a groove 11 in the roller 1 with a securing ring 16 .
  • detachable connection methods are also possible.
  • the roller cover 12 helps to close the lubricant receiving space R, in particular the hollow-cylindrical roller 1.
  • the socket cover 31 is arranged on the end face in the socket 3 directly behind the roller cover 12 .
  • the socket cover 31 can be detachably connected to the socket 3 by means of a press fit or in another suitable manner.
  • the plug-on socket cover 31 contributes to the to close the lubricant receiving space R, in particular with respect to the socket 3, which is in the form of a hollow cylinder.
  • the socket cover 31 and the sealing arrangement, in particular the first sealing ring 61 there is a gap which is preferably not complete is filled by camp 2. This remainder of the intermediate space preferably forms the lubricant receiving space R.
  • the lubricant accommodating space R is filled with a lubricant, such as oil or grease, which can ensure lubrication of the bearing 2 .
  • a lubricant such as oil or grease
  • the lubricant can already be filled into the lubricant receiving space R before the roller unit L is installed, ie the lubricant does not have to be filled in on site, for example in the dirty environment of a conveyor chain.
  • This circumstance is of particular benefit to a sealing arrangement designed as a mechanical seal, since this seals very well, but is generally very susceptible to dirt.
  • a roller device according to the invention comprises the features of claim 1. Furthermore, the roller device can be equipped with an anti-rotation device 8 and a stop device 9.
  • the push-on bolt 4 is preferably a bolt or pin, for example an extended bolt B of a chain link protruding from a link chain, on which the socket 3 and thus the roller unit L can be plugged in as a whole.
  • other push-on bolts are also conceivable, such as bolts that are attached to add-on parts, such as platforms of conveyor belts.
  • a roller mounted in this way would, for example, be part of a center guide of a conveyor belt.
  • the interior space of the mounting bush essentially corresponds to the outer contour of the mounting bolt in order to enable the roller unit L to be mounted or fixed on the mounting bolt 4 .
  • the roller device is preferably equipped with the stop device 9 .
  • the anchor device 9 can, for example, comprise a shoulder 44 in the mounting bolt 4 and a corresponding shoulder 34 in the socket 3 .
  • the torsion-locking device 8 is preferably provided.
  • the anti-rotation device 8 can be formed, for example, from a bulge 35 in the cross section of the interior of the socket 3 and a corresponding indentation 45 in the spigot 4 .
  • the form-fit anti-rotation device 8 described here can also be configured in a non-positive manner or in some other suitable manner.
  • the stop device 9 and the anti-rotation device 8 can be combined in one device.
  • the fastening system is used for releasable axial fixing of the socket 3 on the mounting pin 4.
  • Such a fastening system is, for example, in the 8 and 9 shown.
  • the clip fastening system according to the invention should first be discussed.
  • the clip fastening system enables the roller unit L to be fixed axially on the mounting bolt 4 without tools 43 equipped.
  • a flexible retaining ring 10, i.e. a clip, is optionally inserted in the groove 32 of the mounting bolt 4 or the mounting socket 3. If the roller unit L is slid onto the mounting bolt 4, the securing ring 10 initially recedes until the grooves 32, 43 are aligned, in order then to be accommodated in both grooves 32, 43 and to counteract the roller unit L being pulled off.
  • the clip fastening system is therefore designed as a form-fitting connection means.
  • the clip fastening system is equipped with a release device, which enables the clip fastening system to be released later.
  • the groove 43 in the mounting bolt 4 is formed by the mounting bolt 4 itself and a plate 41 which is screwed onto the face of the mounting bolt 4 by means of a screw 42 or is otherwise detachably attached.
  • the roller cover 12 and the socket cover 31 are removed and the plate 41 is loosened by unscrewing the screw 42.
  • the roller unit L can be pulled off the mounting bolt 4 .
  • the assembly takes place as usual when the plate 41 is first screwed on again.
  • the roller unit L can be replaced or, for example, refilled with lubricant and the roller cover 12 or
  • Socket cover 31 are closed again.
  • the roller unit L can be attached again by simply slipping it onto the mounting bolt 4.
  • An articulated chain according to the invention comprises a roller device according to the invention.
  • a link chain in particular a bush chain, is essentially made up of two chain elements lined up next to one another. These elements are also referred to as inner and outer links.
  • An outer link usually consists of two outer plates A, which are connected to each other by two bolts B.
  • An inner link is usually made up of two inner plates I, which are connected to one another by means of two bushings U. Designs with only one link, which is designed for example as a block link, are also conceivable.
  • a bushing U and a bolt B inserted into the bushing of adjacent chain links form a chain joint. These joints allow the joint chain to loop around the sprockets in the drive train, for example.
  • link chains are often used as conveyor chains.
  • the link chain with at least one roller device and preferably equipped with connection means M for attaching add-on parts, such as platforms.
  • connection means M for add-on parts for example, L-shaped angled links come into consideration, which are installed instead of or in addition to the conventional links in the articulated chain.
  • connection means for add-on parts are also conceivable.
  • an articulated chain according to the invention designed as a conveyor chain is equipped with at least one roller unit L.
  • the articulated chain is equipped with an associated push-on bolt 4, which is set up for attaching the roller unit L.
  • the push-on pin 4 is an extended pin B of the articulated chain, in which a pin section protrudes as a push-on pin 4 from the outer plate A of the articulated chain.
  • the slip-on pin 4 is generally aligned perpendicular to the longitudinal direction or running direction of the chain.
  • the roller cover 12 is equipped here with a filling opening 121 for lubricant.
  • the embodiment shown here does not have a clip fastening system and also does not have a plug-on socket cover.
  • a retaining ring 101 is fitted in a groove 100 of the mounting bolt 4, which is arranged outside of the mounting socket 3 in a mounted state. This fixes the slip-on socket 3 axially on the slip-on bolt 4. This provides a fastening system that has already been mentioned above.
  • FIG. 9 Another embodiment of a roller or roller device, which is also not the subject of the invention, is in 9 shown.
  • the fastening system for the socket 3 on the socket pin 4 is realized essentially by a locking pin 102 which is inserted through aligned bores in the socket 3 and the socket pin 4 .
  • the aligned bores are preferably located outside of the lubricant receiving space R, in particular between the housing 7 and the bracket A.
  • the bores are preferably aligned transversely to the longitudinal axis of the socket bushing 3 or the mounting pin 4 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chain Conveyers (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Pulleys (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Sealing Of Bearings (AREA)
  • Rolling Contact Bearings (AREA)

Claims (11)

  1. Mécanisme à galet de roulement comprenant
    - un boulon d'enfichage (4),
    - un galet de roulement monté sur le boulon d'enfichage (4), dans lequel le galet de roulement est configuré comme unité de galet de roulement (L) qui présente au moins une douille d'enfichage (3), un palier (2) et un galet (1), dans lequel la douille d'enfichage (3), le palier (2) et le galet (1) sont reliés entre eux de manière amovible et dans lequel le galet (1) est logé de manière rotative autour de la douille d'enfichage (3) par le biais du palier (2), ainsi que
    - un système de fixation pour la fixation axiale amovible de la douille d'enfichage (3) de l'unité de galet de roulement (L) sur le boulon d'enfichage (4),
    dans lequel le système de fixation est configuré comme système de fixation à clip pour le montage sans outil de l'unité de galet de roulement (L) sur le boulon d'enfichage (4), dans lequel le système de fixation à clip présente une rainure (32) dans la surface intérieure de la douille d'enfichage (3) ainsi qu'une rainure (43) dans la surface du boulon d'enfichage (4) ainsi qu'une bague de blocage (10) flexible qui est reçue dans les deux rainures (32, 43) afin d'agir contre un retrait de l'unité de galet de roulement (L), caractérisé en ce que le système de fixation à clip est équipé d'un dispositif de détachement, dans lequel la rainure (43) est formée dans le boulon d'enfichage (4) par le boulon d'enfichage (4) même et une plaque (41) fixée avant le côté avant du boulon d'enfichage (4) de manière détachable.
  2. Mécanisme à galet de roulement selon la revendication 1, caractérisé en ce que le palier (2) est fixé de manière amovible axialement entre le galet (1) et la douille d'enfichage (3), dans lequel la fixation axiale amovible comporte en particulier un épaulement (14) dans l'espace intérieur du galet (1) ainsi qu'un épaulement (33) correspondant sur la surface extérieure de la douille d'enfichage (3) ainsi qu'au moins une bague de blocage (5) qui est insérée dans une rainure (13) dans le galet (1) et/ou dans une rainure (36) de la douille d'enfichage (3).
  3. Mécanisme à galet de roulement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le galet de roulement est équipé d'un agencement de réception de lubrifiant.
  4. Mécanisme à galet de roulement selon la revendication 3, caractérisé en ce que l'agencement de réception de lubrifiant comporte un espace de réception de lubrifiant (R).
  5. Mécanisme à galet de roulement selon l'une quelconque des revendication 3 ou 4, caractérisé en ce que l'agencement de réception de lubrifiant comporte un agencement de garniture étanche, en particulier au moins une garniture étanche à anneau glissant.
  6. Mécanisme à galet de roulement selon l'une quelconque des revendications 3 à 5, caractérisé en ce que l'agencement de réception de lubrifiant comporte un couvercle de galet (12) relié de manière amovible au galet (1) et/ou un couvercle de douille d'enfichage (31) relié de manière amovible à la douille d'enfichage (3).
  7. Mécanisme à galet de roulement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le mécanisme à galet de roulement est équipé d'un dispositif anti-rotation (8) entre la douille d'enfichage (3) et le boulon d'enfichage (4), dans lequel le dispositif anti-rotation (8) comporte en particulier un renflement (35) dans l'espace intérieur de la douille d'enfichage (3) et un renfoncement correspondant (45) dans le boulon d'enfichage (4).
  8. Mécanisme à galet de roulement selon l'une quelconque des revendication 1 à 7, caractérisé en ce que le mécanisme à galet de roulement est équipé d'un dispositif de butée (9) pour la limitation de la mobilité axiale de la douille d'enfichage (3) par rapport au boulon d'enfichage (4), dans lequel le dispositif de butée (9) comporte en particulier un épaulement (44) sur le boulon d'enfichage (4) et un épaulement (34) correspondant sur la douille d'enfichage (3).
  9. Chaîne à articulations, caractérisée en ce que la chaîne à articulations est équipée d'un mécanisme à galet de roulement selon l'une quelconque des revendications 1 à 8.
  10. Chaîne à articulations selon la revendication 9, caractérisée en ce que la chaîne articulée comporte au moins deux maillons de chaîne, en particulier un maillon intérieur et un maillon extérieur, dans laquelle le maillon intérieur est configuré comme languette de bloc avec deux douilles ou comporte au moins deux languettes intérieures (I) qui sont reliées entre elles par deux douilles (U), dans lequel le maillon extérieur comporte au moins deux languettes extérieures (A) qui sont reliées entre elles avec deux boulons (B), dans laquelle respectivement une douille et un boulon enfiché dans la douille de maillons de chaîne contigus réalisent une articulation de chaîne, dans laquelle le boulon d'enfichage (4) est configuré comme prolongement du boulon (B) qui dépasse de la languette extérieure (A), dans laquelle l'unité de galet de roulement est enfichée sur le boulon d'enfichage (4).
  11. Utilisation d'une chaîne à articulations selon l'une quelconque des revendications 9 ou 10 comme chaîne de transport.
EP16823228.8A 2015-12-18 2016-12-16 Rouleau de roulement, mécanisme à rouleau de roulement, chaîne à maillons et utilisation d'une chaîne à maillons comme chaîne de transport Active EP3390250B1 (fr)

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AU2016374572B2 (en) 2021-09-23
JP2019501089A (ja) 2019-01-17
WO2017103183A3 (fr) 2017-08-24
EP3390250A2 (fr) 2018-10-24
CN108473258A (zh) 2018-08-31
JP6811779B2 (ja) 2021-01-13
US20180290836A1 (en) 2018-10-11
ES2962840T3 (es) 2024-03-21
WO2017103183A2 (fr) 2017-06-22
FI3390250T3 (fi) 2023-11-06
PL3390250T3 (pl) 2024-03-04
AU2016374572A1 (en) 2018-07-12
US10661997B2 (en) 2020-05-26
CN108473258B (zh) 2021-08-13
CA3007883A1 (fr) 2017-06-22

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